Pakistan Postgraduate Medical Journal PPMJ 2017 PPMJ VOL.29 NO.01, 2018 PPMJ VOL.29 NO.02, 2018 PPMJ 2017 PPMJ VOL.28 NO.01, 2017 PPMJ VOL.28 NO.02, 2017 PPMJ VOL.28 NO.03, 2017 PPMJ VOL.28 NO.04, 2017 PPMJ 2016 PPMJ VOL.27 NO.01, 2016 PPMJ VOL.27 NO.02, 2016 PPMJ VOL.27 NO.03, 2016 PPMJ VOL.27 NO.04, 2016 PPMJ 2015 PPMJ VOL.26 NO.01, 2015 PPMJ VOL.26 NO.02, 2015 PPMJ VOL.26 NO.03, 2015 PPMJ VOL.26 NO.04, 2015 PPMJ 2014 PPMJ VOL.25 NO.01, 2014 PPMJ VOL.25 NO.02, 2014 PPMJ VOL.25 NO.03, 2014 PPMJ VOL.25 NO.04, 2014 PPMJ 2013 PPMJ VOL.24 NO.01, 2013 PPMJ VOL.24 NO.02, 2013 PPMJ VOL.24 NO.03, 2013 PPMJ VOL.24 NO.04, 2013 PPMJ 2012 PPMJ VOL.23 NO.01, 2012 PPMJ VOL.23 NO.02, 2012 PPMJ VOL.23 NO.03, 2012 PPMJ VOL.23 NO.04, 2012